Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f168cb6681f0057…

MALICIOUS

PDF

14.9 KB Created: 2019-05-07 05:56:54 +01:00 Authoring application: mPDF 5.7
MD5: 78938fe9d4336d1b0168a9cf34cbfc53 SHA-1: 90a69a4b302c168d0e026ec77e02cec4a4251de1 SHA-256: 0f168cb6681f0057166058a887377bf4a5a48d0d868cfb62eb630ebd95d5af9f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, directing users to external PDF files. This behavior is indicative of a phishing or content-luring scheme, likely intended to distribute further malicious content or lead users to compromised websites. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of specific payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://loaminoo.linkpc.net/8096099092094098/Adventures-in-Prose-and-Poetry-by-H-C-Schweikert.pdf
    • http://loaminoo.linkpc.net/3091097094099091/Poetry-and-Prose-by-Walt-Whitman.pdf
    • http://loaminoo.linkpc.net/1097096090094095/The-Land-Of-Look-Behind-Prose-And-Poetry-by-Michelle-Cliff.pdf
    • http://loaminoo.linkpc.net/1091092092099090096/Selected-Poetry-and-Prose-by-Ilse-Aichinger.pdf
    • http://loaminoo.linkpc.net/1099099090091/Ceremonies-Prose-and-Poetry-by-Essex-Hemphill.pdf
    • http://loaminoo.linkpc.net/6093099093090/Collected-Poetry-amp-Prose-by-Wallace-Stevens.pdf
    • http://loaminoo.linkpc.net/4092099090094098/Poetry-and-Prose-of-the-Han-Wei-and-Six-Dynasties-by-Panda-Books.pdf
    • http://loaminoo.linkpc.net/7094099091098099/Pot-Pourri-A-Selection-of-Poetry-and-Prose-by-Pam-Le-Tissier.pdf
    • http://loaminoo.linkpc.net/2095094091098092/Civil-War-Poetry-and-Prose-by-Walt-Whitman.pdf
    • http://loaminoo.linkpc.net/8094099092096/The-Complete-Poetry-and-Selected-Prose-by-John-Donne.pdf
    • http://loaminoo.linkpc.net/1091090096099091094/Introduction-to-American-Poetry-and-Prose-by-Norman-Foerster.pdf
    • http://loaminoo.linkpc.net/4090099098096096/The-American-Puritans-Their-Prose-And-Poetry-by-Perry-Miller.pdf
    • http://loaminoo.linkpc.net/8090098093096099/Dimensions-of-Midnight-Poetry-and-Prose-by-Cecil-Hemley.pdf
    • http://loaminoo.linkpc.net/5090091095094/The-Vine-Keeper-messages-in-Poetry-and-Prose-by-William-S-Peters-Sr-.pdf
    • http://loaminoo.linkpc.net/1091091098093091098/Talitha-Cumi-Ramblings-through-poetry-and-prose-by-Tendayi-Chipango.pdf
    • http://loaminoo.linkpc.net/2091093094091/Twentieth-Century-Pleasures-Prose-on-Poetry-by-Robert-Hass.pdf
    • http://loaminoo.linkpc.net/2092094099098/Lost-Orchard-Prose-and-Poetry-from-the-Kirkland-College-Community-by-Jo-Pitkin.pdf
    • http://loaminoo.linkpc.net/8097098094099094/Cultural-Affairs-in-Boston-Poetry-and-Prose-1956-1985-by-John-Wieners.pdf
    • http://loaminoo.linkpc.net/5095097098096092/Anthologia-Gallica-Senobrixta-Gal-thach-hAthev-u-Poetry-and-Prose-by-Rog-rio-G-Fernandes.pdf
    • http://loaminoo.linkpc.net/2095095094091090/Blood-Bread-and-Poetry-Selected-Prose-1979-1985-by-Adrienne-Rich.pdf

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